Question 132002
SOLUTION - 
 Let number os student tickets sold be x
 and the number of general tickets sold be y

  Total number of tickets= 525
              x+y=525
              x=525-y              .....(i)
 
 Cost of one student ticket = $4
 Therefore cost of x tickets= $4*x=4x
 Cost of one general ticket= $6
 Therefore cost of y tickets =$6*y=6y
 
 Total money collected=2876
   4x+6y=2876
substituting the value of x from equation (i)we have
  4(525-y)+6y=2876
  2100-4y+6y=2876
  2100+2y=2876
  2100+2y-2100=2876-2100
   2y=776
   {{{2y/2}}}={{{776/2}}}
    y = 388
 substituting the value of y in equation (i) we have

   x=525-y
   x=525-388
   x=137
 therefore number of students tickets sold=137
 and number of general tickets sold=388

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